The Ring,externally Threaded, cataloged under National Stock Number 5365-01-217-3071, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is L3harris Maritime Power & Energy Solutions, Inc. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-217-3071 |
| Primary Part Number | 25B5111-1 |
| Item Name | Ring,externally Threaded |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | L3harris Maritime Power & Energy Solutions, Inc |
| Status | ACTIVE |
| Bore Annular Internal Serration | NOT INCLUDED |
| Beveled Thread | NOT INCLUDED |
| Chamfer Length | 0.062 INCHES NOMINAL IN |
| Bore Edge Process | CHAMFERED |
| Drive Type | SLOTTED FACE |
| Process End Location | END OPPOSITE DRIVE END |
| Bore Shape | STRAIGHT |
| Thread Direction | RIGHT-HAND |
| Setscrew Locking Notch | NOT INCLUDED |
| Accommodation Type and Quantity | 2 SLOTS |
| Casehardening Indicator | NOT CASEHARDENED |
| Angle Between Accommodations in Deg | 180.0 |
| Thread Size | 1-12 |
| Screw Thread Series Designator | UNF |
| Surface Treatment | PASSIVATE |
| Chamfer Angle in Deg | 45.0 |
| Depth | 0.062 INCHES NOMINAL IN |
| Width | 0.062 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Bore Diameter | 0.500 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Material | STEEL COMP 303 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 25B5111-1 PRIMARY | L3harris Maritime Power & Energy Solutions, Inc (USA) |
| Reference | Meaning |
|---|---|
| 5365PL0794274 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5365-01-217-3071 is a Ring,externally Threaded, manufactured by L3harris Maritime Power & Energy Solutions, Inc, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-217-3071 has 1 manufacturer part number on file: 25B5111-1 (L3harris Maritime Power & Energy Solutions, Inc).
Key specifications for 25B5111-1: Bore Annular Internal Serration: NOT INCLUDED; Beveled Thread: NOT INCLUDED; Chamfer Length: 0.062 INCHES NOMINAL IN; Bore Edge Process: CHAMFERED. 21 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.